Ugears Marble Lantead Hoist 70170 Wooden Puzzle, Crafts & Models, No Glue or Tools Required, for Adults

The Marble Run series is a wooden puzzle that can be enjoyed as a single piece, two pieces together, or all together once completed. This toy lets you enjoy adventures by running the included marbles. This mechanical puzzle packs multiple elements into a compact space, allowing you to imagine the path your favorite marbles will take. Using the included dedicated connector (included), it can be connected to other Marble Run chain hoists (you can connect in pairs of two or four). No adhesive tools are required.